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Now in the night, I tested inserting tap water in the holes. The pump housing have 3 holes. The number 1 is the output to oil rad and heater, the number 2 go to inside the block and number 3 is the input, coming from thermostat housing. The number 2 have some resistance in water flow, because...

The radiator is fine, I put tap water in top hose and the flow is good on bottom hose. With car stopped in garage and engine running varying the RPM 2000~3000 did overheat. With pump installed in block, the impeller don´t touch in block housing, but my suspicion is that this occurred and wore...

It's normal this difference size of propeller at the beginning and end?

I´ve tested the radiator inserting a hose with tap water pressure on the top and in bottom the water coming out with good pressure. With engine hot (99ºC), all the radiator was hot too. My suspicion is water flow problem. As has two outputs in water pump housing, may be that the flow that...

I also thought about the possibility of transmission overheating, but tested with the car parked, and boiled well. It is a video that have posted these days.

After buying new tools and a lot of hard work, I removed the water pump. To remove the crankshaft pulley screw, I supported the tool in the ground hit the engine starter quickly to spin 1/2 round. After, I put the timing belt pulley on the mark and caught the flywheel with a improvised tool...

Will the pin hole strong enough to hold necessary strength to take the screw out? I´m afraid that the pin breaks or damage the flywheel. zefrench, I´ve tested the cap on reservoir pressuring the system at 16psi, after that, the cap releases air and pressure maintain ~15PSI. No leakings below...

Today I started to work for remove and change the water pump. After remove the top engine mounts and some bolts from cambelt cover, stopped in crankshaft pulley bolt. I need a way to lock the pulley and a lot of strength to get this screw out.

I always used radiator additive and tap water (50% water, 50% red additive) and never gave problem. I always wash and change the coolant every 6 months.The boil point at 15 PSI (cap max pressure), with the system using only water is 257ºF (123ºC). The nominal temp in KV6 engine I think its...

B34R, I don´t checked, but I think there is a only 1 bleed screw in engine block. In attach is the procedure for drain and refill the coolant.

The system is pressurizing because the top hose is rigid on hot temp. I found no obstructions in the hoses when washed the system and not much rust comes out. The last option is remove the water pump, change it, and verify the output on block if is flowing. The thermostatic valve model from...

The system boils and coolant comes out from reservoir. The temp sensor is ok because in cold the value is the same that ambient temp.

Yes, the hoses only enter in a position in the thermostat housing. I removed a "T" which is also a valve and put on the right side. The 2004+ FR have a different connections between oil and transmission rad and there is another temp sensor in output from radiator.

Here is some videos warming up and overheating. At 3:40 the temp drops from 96ºC to 92ºC, the thermostat valve opens. The engine come to 116ºC and boil. The bottom hose was hot and I disconnected the Temp Sensor 2. After this, the fan was started on max speed and temp down to 96ºC. I have...

2.5 V6. KV6 engine

B34R, I do not know this bolt in the engine rear bank, I tried to search but found nothing, very hard to access too. My last chance is to replace the water pump, although check the thermostat tube it was good.

Well, the results from today; * Buy new cap from reservoir in Land Rover dealership and changed. * Removed all coolant, removing from bottom house and engine bleed screw. * Tested 15 minutes with 10 PSI, no leaking and air noise detected. * Put 4 liters of coolant adictive (red) and water. *...

The thermostat valve I already changed last weekend. I´ll change the reservatoir cap to test.

Nodge68, I´ve checked the pump by thermostat link pipe: https://www.landyzone.co.uk/land-rover/v6-total-loss-of-coolant.288632/#post-3563838 The impeller rotates with the axis correctly. With old timing belt the pump slips on belt. After changed the pump is ok.

I´m from Brazil, here is temperature ranges from 4°C to 40°C depending on the time of year. :rolleyes: I´ll try to change the cap from expansion tank, because I heard a leak noises last night after turning off the car, but is very little.